UL certificates

UL sertificate (Fittings, Grooved and plain end)
UL sertificate (Fittings, Rubber gasketed)
UL and CUL Sertificate (BUTTERFLY VALVES) 1
UL and CUL Sertificate (BUTTERFLY VALVES) 2
UL and CUL Sertificate (GATE VALVES) 2